fix: 自动创建KPI补全target_value/kpi_level+文件名中文日期解析

- 补NOT NULL字段: target_value=0, kpi_level='operational'
- 文件名支持中文日期: 2026年01月 / 2026年01月至2026年05月
- 科目余额表列名匹配增强: 余额/本年累计/本期发生额
- 期间列识别: 年/月开头列名

frontend/src/router/index.ts

@@ -40,6 +40,7 @@ const routes = [
       { path: 'subjects', name: 'SubjectManage', component: () => import('@/views/SubjectManage.vue'), meta: { title: '科目打标', roles: ['ceo', 'finance', 'business', 'it'] } },
       { path: 'mpm-calculator', name: 'MpmCalculator', component: () => import('@/views/MpmCalculator.vue'), meta: { title: 'MPM计算器', roles: ['ceo', 'finance', 'business'] } },
       { path: 'bot-kpis', name: 'BotKpis', component: () => import('@/views/BotKpiDashboard.vue'), meta: { title: 'Bot KPI看板', roles: ['ceo', 'finance', 'it'] } },
+      { path: 'analysis-confidence', name: 'AnalysisConfidence', component: () => import('@/views/AnalysisConfidence.vue'), meta: { title: '分析置信度', roles: ['ceo', 'finance', 'it'] } },
     ]
   },
 ]